// 爱心效果
export default (function (e, t) {
  let s: {
    x: string;
    scale: number;
    y: any;
    el: any;
    alpha: number;
    color: string;
  }[] = [];
  function r() {
    for (let e = 0; e < s.length; e++) s[e].alpha <= 0 ? (t.body.removeChild(s[e].el), s.splice(e, 1)) : (s[e].y--, (s[e].scale += 0.004), (s[e].alpha -= 0.013), (s[e].el.style.cssText = 'left:' + s[e].x + 'px;top:' + s[e].y + 'px;opacity:' + s[e].alpha + ';transform:scale(' + s[e].scale + ',' + s[e].scale + ') rotate(45deg);background:' + s[e].color + ';z-index:99999'));
    requestAnimationFrame(r);
  }

  function n() {
    let t = 'function' == typeof e.onclick && e.onclick;
    e.onclick = function (e: MouseEvent) {
      //@ts-ignore
      t && t(), o(e);
    };
  }

  function o(e: MouseEvent) {
    let a = t.createElement('div');
    (a.className = 'heart'),
      s.push({
        el: a,
        x: e.clientX - 5 + '',
        y: e.clientY - 5,
        scale: 1,
        alpha: 1,
        color: c()
      }),
      t.body.appendChild(a);
  }

  function i(e: string) {
    let a = t.createElement('style');
    a.type = 'text/css';
    try {
      a.appendChild(t.createTextNode(e));
    } catch (t) {
      //@ts-ignore
      a.styleSheet.cssText = e;
    }
    t.getElementsByTagName('head')[0].appendChild(a);
  }

  function c() {
    return 'rgb(' + ~~(255 * Math.random()) + ',' + ~~(255 * Math.random()) + ',' + ~~(255 * Math.random()) + ')';
  }

  (e.requestAnimationFrame =
    e.requestAnimationFrame ||
    //@ts-ignore
    e.webkitRequestAnimationFrame ||
    //@ts-ignore
    e.mozRequestAnimationFrame ||
    //@ts-ignore
    e.oRequestAnimationFrame ||
    //@ts-ignore
    e.msRequestAnimationFrame ||
    function (e) {
      setTimeout(e, 1e3 / 60);
    }),
    i(".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: fixed;}.heart:after{top: -5px;}.heart:before{left: -5px;}"),
    n(),
    r();
})(window, document);
